@keyframes marp-outgoing-transition-__builtin__flip {
  0% {
    animation-timing-function: ease-in;
  }

  50% {
    transform: perspective(75vw)
      rotateY(calc(var(--marp-transition-direction, 1) * -90deg));
    opacity: 0.75;
    animation-timing-function: step-start;
  }

  100% {
    opacity: 0;
  }
}

@keyframes marp-incoming-transition-__builtin__flip {
  0% {
    opacity: 0;
    animation-timing-function: step-end;
  }

  50% {
    transform: perspective(75vw)
      rotateY(calc(var(--marp-transition-direction, 1) * 90deg));
    opacity: 0.75;
    animation-timing-function: ease-out;
  }
}
